Railway-frog



. vide simple, inexpensive, and readily and efparts of the frog become loosened, they are plish, broadly stated, by securing or tying bases and thus secure the parts together.

" means I employ for the purpose, and which I UNITED STATES l PATENT OFFICE.

AXEL A. STROM, OF AUSTIN, ASSIGNOR TO THE STROM MANUFACTURING COMPANY, OF CHICAGO, ILLINOIS.

RAI LWAY-FROG.

SPECIFICATION forming part of Letters Patent No. 416,691, dated December 3, 1889.

Application filed August 22, 1889.

To a/ZZ whom it nfl/ay concern.-

Be. it known that I, AXEL A. STROM, a citizen of the United States, residing at Austin,` in the county of Cook and State of Illinois, have invented a new and useful Improve- :ment in Railway-Frogs, of which the following is a speciiication.

My invention relates to an improvement in the class of railway-frogs -in which clamps are employed to embrace them across their The object of my improvement is to profectively adjustable means for securing the clamps against displacement when they are wedged into place on the frog.

In the accompanying drawings, Figure l is a horizontal section taken belowthe heads of the rails of a railway-frog provided with my improvement, with parts broken away to display details of construction; Fig. 2,a similar view of a portion of the same, illustrating a modification; and Fig. 3 is a section taken on the line 3 of Fig. 1, viewed in the direction of the arrow and enlarged. l

A A denote the wing-rails; B B, the pointrails, and C denotes the filling or other means of intermediate bracing.

D and D are the clamps, involving any suitable construction, but preferably that shown and embracing the frog across the base thereof, respectively near the extremities of its wider and tapering portions, being wedged into place to hold the parts together by driving the clamps in the direction of enlargement of the frog. When with use the tightened by driving the clamps farther toward the enlarged end. In any of the positions of the clamps to which they are adjusted they require to be securely held against displacement by slipping, and this I accomeach independently of the other and by a separate connecting medium to the frog. The

consider to be most advantageous, because in all respects desirable, comprise rods F., each bent toward one end substantially into Serial No. 321,632. (No model.)

an shape and straight toward its opposite end, where it is screw-threaded, as shown at to receivea nut r. AV rod E is inserted at its bent end into a hole provided to admit it in a wing-rail, (and preferably through the web portion thereof, as shown,) wherein, after its insertion, (irst, owing to the shape of the bend, with the rod extending perpendicularly to the rail, and afterward by turning it parallel therewith,) it is extended at its threaded end through an opening in the adjacent portion of a clamp, one such rod being provided for eacli clamp at one side of the frog, as

shown, orat each side thereof, as desired. The threaded portion of each rod E thus projects part wajor quite through the opening in the respective clamp for whichit is provided, and which is held against slipping in the direction of convergence of the sides of Whenever loosening of the parts of the frog requires the clamps to tighten such parts,

to be readj usted by further wedging or driv ing them in the direction of divergence of the wing-rails, this operation may be performed without manipulating the clamp-retaining means, which, after the readjustment, are screwed on the rods against the clamps to present to them, in their new positions, stops against their displacement.

What I'claim as new, and desire to'seoure by Letters Patent, is-

l. In a railway-frog, the combination, with the wing-rails A and point-rails B, of clamps D and D', embracing the frog across its base 4and adjust-able lengthwise thereof, and se.-

cured each independently of the other and by a separate connecting medium, substantially' as described, to the frog against displacement in the direction of convergence of the Wing-rails, substantially as and for the purpose set forth.

2. In a railway-frog, the combination, with the Wing-rails A and point-rails B, of clamps D and D', embracing the frog across its base and adjustable thereon lengthwise of the frog, and each secured to the frog independently ofthe other and bya separate connecting medium operating` against the side of its respective clamp nearest the converging; end of the 'frog to hold the clamp against slipping, and whereby the clamp may be tightened by driving it toward the diverging end lof the frog without obstruction by the said connecting;` medium, substantially ras described.

3. In a railway-frog, the combination, With the wing-rails A and point-rails B, of perforated clamps D and D', adj ustably embracing the frog across its base, rods E, each secured at one end to a Wing-rail and threaded toward its opposite end and extending at its threaded end through the perforation ofl the adjacent clamp, and a nut 'r on the threaded end of each rod, substantially as and for the purpose set forth.

4L. In a railway-frog, the con1binaton,-With the Wing-rails A and pointrails B, of perforated clamps D and D', adjustably embracing the frog across its base, rods E, each bent, substantially as described, at one end and threaded toward the opposite end and inserted at its bent end through an opening in a Wing-rail, and extending at :its threaded end through the perforation in' the respectively-adjacent clamp, and a nut r on the threaded end of each rod, substantially as and for the purpose set forth.

AXEL A. STROM.

In presence ot`- J. W. DYRENFORTH, M. J. FROST. 

